The "universal energy currency" of the cell is
a. O2.
b. C6H12O6.
c. ATP.
d. H2O.
a
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Which of the following statements is false?
A. Hormone receptors evolved later than many of the hormones with which they now interact. B. Vertebrates and invertebrates use some of the same hormones. C. The same hormone typically plays different roles in vertebrates and invertebrates. D. Several hormones function as both hormones and neurotransmitters. E. None of the answer options is false.
Which repair mechanism identifies daughter strands by methylation?
A. Recombinational repair B. Direct repair C. Base excision repair D. Mismatch repair E. Nucleotide excision repair F. Nonhomologous end joining (NHEJ)
The major types of molecules found in the membrane are
1.sugars and lipids. 2.lipids and proteins. 3.lipids and DNA. 4.lipids and RNA. 5.proteins and DNA.
In his experiments, Mendel noted that when two traits are involved in a genetic cross, they are inherited independently of each other. The reason for this is that
A) genes on the same chromosome separate during the formation of gametes. B) alleles on the same gene separate during the formation of gametes. C) genes on different chromosomes separate during the formation of gametes. D) alleles on the same chromosome separate during the formation of gametes. E) chromosomes often recombine.